bare-bottomed

Adjective

Meaning

Having a butt that is not clothed.

(informal, by extension) Naked, starkers.

(by extension) Blatant, unashamed.

(of objects) Having an uncovered base or seat.

Source: en.wiktionary.org

unclad in the raw in the altogether naked as the day one was born bare-assed denuded au naturel

dressed clothed clad robed suited

bare-bellied Joe bare-boned bare-boobed bare-breasted bare-bum bare-butt